He concerns about this problem .这句话对吗?为什么对?为什么错?

be concerned about 和 concern about 什么区别?He is concerned about this problem.He concerns about this problem. He concerns about this problem .这句话对吗?为什么对?为什么错? He was about to stop the match when th street became popular in thAfter an em__________,give your child the opportunity to talk about her worries and concerns about such a thing happening again.This street became popular in the late nineties and it remains well wo___ a visit because of th what __ me is our lack of preparation of the change.A.is concerned about B.concerns C.concerns about D.is concerned with 该选哪个, Is there anything that concerns you about going to this school回答Is there anything that concerns you about going to this school?该怎样回答呢? (1/2)感官动词没被动语态,可He was seen(to enter)the building about the time when th is there anything that concerns you about going to this school?”的翻译 英语翻译address the concerns individual managers have about inconsistencies in recruitmentpractices 如何翻译 Prices fell sharply on growing economic concerns about the United States and the world. concerns是什么意思 Nontrade concerns manufacturing concerns although he said Beijing has concerns with the so-called special purpose vehicle that will be sethas concerns 的has 起什么语法作用,concerns在这里是名词还是动词, 跪求! other special information about th animal issues of price,place,promotion,and product are____conventional concerns in planning marketing s...issues of price,place,promotion,and product are____conventional concerns in planning marketing strategies.a.these ofthe most .b.most of thosec.among th 这些是啥用法,过去分词做状语和现在分词做状语有何区别啊啊啊.1____ about the student,the teacher called his parents to find out why he was so absent-minded in class.[ A ]A.Concerned B.Concerns C.Concerning D.Concern 2（Basin 英语翻译Mr.Powell held talks with Qatar's foreign minister at which he raised U.S.concerns about news coverage by the Qatar-based Arabic TV network al-JazeeraPresident Bush's endorsement of Mr.Sharon's plan for disengagement, from the Palestini